Home / 4,487.85-6,192.23-2,719.40

Finding the Fourth Proportional to 4,487.85, 6,192.23 and 2,719.40

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Solution

The fourth proportional to 4,487.85, 6,192.23 and 2,719.40 is: 3,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.85 : 6,192.23 = 2,719.40 : x
  2. Step 2: Convert to fraction form
    4,487.85/6,192.23 = 2,719.40/x
  3. Step 3: Cross multiply
    4,487.85x = 6,192.23 × 2,719.40
  4. Step 4: Simplify right side
    4,487.85x = 16,839,105.70
  5. Step 5: Solve for x
    x = 16,839,105.70/4,487.85
  6. Step 6: Final answer
    x = 3,752.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.